From what I've inquired buy & holds are the best way for wealth creation (and far less work than wholesaling) the returns aren't instant but the long run is what does it. 

I remember one of my first doors almost made me quit foreclosures instantly.

On paper it seems so attractive - all your units in one place, one roof, one foundation, one stop for maintenance and inspections, etc - but in reality, you are instantly taking on the challenge of dealing with many tenants, and dealing with the tenant interactions with each other.

With my increased knowledge I felt more sure of myself and was able to help my clients a lot more.I didn’t stop reading either:-Buy it, Fix it, Sell, for a Profit –Kevin Myers-Flipping Confidential – Kirsten Kemp-Getting To Yes- Fisher, Ury and Patton-Flipping Properties: Generate Instant Cash- William BronchickMy first year as an agent was hard.

On the MN site I can put in their name and instantly see a list of what their criminal record is.

If the investor is experienced, they will pick up on your inexperience in an instant. 

The downside of the age of instant info....

The right guy (or gal) will instantly know what you are talking about. * Do I write up my own offer to purchase?

This in turn effectively reduces your cash out of pocket and instantly boosts ROI.

Late reply but you can get a proof of funds letter free and instantly a velocitycapitolfund.com